310031143142 has 32 divisors (see below), whose sum is σ = 540913248000. Its totient is φ = 130516194528.

The previous prime is 310031143111. The next prime is 310031143151. The reversal of 310031143142 is 241341130013.

It is a super-2 number, since 2×310031143142² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913484 + ... + 1206032.

It is an arithmetic number, because the mean of its divisors is an integer number (16903539000).

Almost surely, 2^310031143142 is an apocalyptic number.

310031143142 is a deficient number, since it is larger than the sum of its proper divisors (230882104858).

310031143142 is a wasteful number, since it uses less digits than its factorization.

310031143142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293900.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 310031143142 its reverse (241341130013), we get a palindrome (551372273155).

The spelling of 310031143142 in words is "three hundred ten billion, thirty-one million, one hundred forty-three thousand, one hundred forty-two".